Stacy is selling tickets for a concert. She records the number of tickets sold over a period of 5 days. The table below gives the details, where x represents the number of days since she started recording, and y represents the number of tickets sold each day.
Number of Days, x 1 2 3 4 5
Number of Tickets, y 25 27 26 28 27
Which of the following describes the table?
A.
a function only
B.
a relation only
C.
both a relation and a function
D.
neither a function nor a relation
C. both a relation and a function
Which statement best describes the relationship shown in the equation?
y=x^2
A.
It cannot be determined if this is or is not a functional relationship.
B.
This is not a functional relationship.
C.
This is a functional relationship.